Coating processes – Coating by vapor – gas – or smoke – Organic coating applied by vapor – gas – or smoke
Reexamination Certificate
2005-08-05
2008-10-07
Meeks, Timothy (Department: 1792)
Coating processes
Coating by vapor, gas, or smoke
Organic coating applied by vapor, gas, or smoke
C427S255280
Reexamination Certificate
active
07431969
ABSTRACT:
In one embodiment of the invention, iCVD is used to form linear thin films using a radical initiator and an alkene. In another embodiment, iCVD is used to form crosslinked thin films by the addition of a crosslinking agent (e.g., a diacrylate or a dimethyacrylate). The incorporation of a crosslinking agent into the thin films is shown to increase systematically with its partial pressure. In one embodiment, when the crosslinker is EDGA and the monomer is HEMA it results in crosslinked P(HEMA-co-EGDA) copolymer. In another embodiment, when the crosslinker is EDGA and the monomer is VP, it results in crosslinked P(VP-co-EGDA). Disclosed are the effects of crosslinker incorporation on the thermal and the wetting properties of the polymers. The unique swelling properties of these films are also described; certain films of the present invention are hydrogels when soaked in water.
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Chan Kelvin
Gleason Karen K.
Burkhart Elizabeth A
Foley & Hoag LLP
Gordon Dana M.
Massachusetts Institute of Technology
Meeks Timothy
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